21319260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355321}}^1$

素因数の和:355333

約数の個数: 24

約数和(自身を含む): 59694096

約数和(自身を除く): 38374836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355321, 710642, 1065963, 1421284, 1776605, 2131926, 3553210, 4263852, 5329815, 7106420, 10659630, 21319260]

約数ペア:

[(1, 21319260), (2, 10659630), (3, 7106420), (4, 5329815), (5, 4263852), (6, 3553210), (10, 2131926), (12, 1776605), (15, 1421284), (20, 1065963), (30, 710642), (60, 355321)]